Home / 43,422.84-65,032.18-21,166.46

Finding the Fourth Proportional to 43,422.84, 65,032.18 and 21,166.46

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Solution

The fourth proportional to 43,422.84, 65,032.18 and 21,166.46 is: 31,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,422.84 : 65,032.18 = 21,166.46 : x
  2. Step 2: Convert to fraction form
    43,422.84/65,032.18 = 21,166.46/x
  3. Step 3: Cross multiply
    43,422.84x = 65,032.18 × 21,166.46
  4. Step 4: Simplify right side
    43,422.84x = 1,376,501,036.68
  5. Step 5: Solve for x
    x = 1,376,501,036.68/43,422.84
  6. Step 6: Final answer
    x = 31,699.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.